Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Orifice diameter

Orifice diameter, Total:54 items.

The international standard classification for "Orifice diameter" includes: Ceramic products , Drills, countersinks, reamers , Turning tools , Screw threads in general .

The Chinese standard classification for "Orifice diameter" includes: Special ceramics , Cutting tools , Cutters , Measuring devices .


Taiwan Provincial Standard of the People's Republic of China

  • CNS 4949-1979 Tapping Screws, Applications and Core Holes
  • CNS 4245-1978 Clearance Holes for Metric Bolts (1.6 up to and Including 150 mm Thread Diameter)
  • CNS 211-1953 Diameters of Drill Heads (for Drilling Bolt Holes)

Professional Standard - Machinery

  • JB/ZQ 4719-2006 Diameter of twist drill for drilling hole before inside whorl treatment or car (bore) hole diameter
  • JB/T 9987-1999 Diameter of the twist drill used before tapping

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Aerospace

  • QJ 1133.13-1987 Mechanical Clamped Lathe Tool - 75°Pressure Plate Bore Lathe Tool (Tool Bar Diameter=16)
  • QJ 1133.16-1987 Mechanical Clamped Lathe Tool - 90° Pressure Plate Bore Lathe Tool (Tool Bar Diameter=25)
  • QJ 2920-1997 Forward Underport Diameter of MJ Internal Thread Tapping
  • QJ 1133.14-1987 Mechanical Clamped Lathe Tool - 75°Pressure Plate Bore Lathe Tool (Tool Bar Diameter=25)
  • QJ 1133.15-1987 Mechanical Clamped Lathe Tool - 90° Pressure Plate Bore Lathe Tool (Tool Bar Diameter=16)

German Institute for Standardization

  • DIN 7952-2:1971-10 Sheet Metal Rim Holes with Screw Thread; Prepunch Hole Diameters
  • DIN 7952-2:1971 Sheet Metal Rim Holes with Screw Thread; Prepunch Hole Diameters
  • DIN 28182:1987 Tubular heat exchangers; tube pitches, diameter of bores in tube sheets, baffles and support plates
  • DIN 28182:2007 Tubular heat exchangers - Tube pitches, diameter of bores in tube sheets, baffles and support plates
  • DIN 20311:2002 Drill tubes with diameters exceeding 100 mm for large hole boring in mining
  • DIN 20311:2002-11 Drill tubes with diameters exceeding 100 mm for large hole boring in mining
  • DIN 2245-1:1989 GO and NOT GO plug gauges from 1 mm to 40 mm nominal diameter
  • DIN 66139:2012-03 Pore size analysis - Representation of pore size distributions / Note: To be replaced by DIN 66139 (2022-12).
  • DIN 66139 E:2010-02 Pore size analysis - Representation of pore size distributions

SE-SIS

Korean Agency for Technology and Standards (KATS)

North Atlantic Treaty Organization Standards Agency

RU-GOST R

Danish Standards Foundation

  • DS 2390:1993 Centre holes 90 degree. Determination fo dimensions
  • DS 2389:1993 Centre holes 60 degree. Determination of dimensions

CZ-CSN

TIA - Telecommunications Industry Association

American National Standards Institute (ANSI)

IPC - Association Connecting Electronics Industries

  • IPC TR-579 CD-1988 Round Robin Reliability Evaluation of Small Diameter Plated Through Holes in Printed Wiring Boards

NL-NEN

  • NEN 2835-1971 Gauges - Plug gauges for holes, diameters 1 up to and including 40 mm
  • NEN 2810-1987 Gauges - Plug gauges for holes, diameters 1 up to and including 40 mm

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

  • IPC TR-579-1988 Round Robin Reliability Evaluation of Small Diameter Plated Through Holes in Printed Wiring Boards

HU-MSZT

Association Francaise de Normalisation

  • NF G32-302:1981 Habillement - Accessoires pour vêtements - Boutons à 2 ou 4 trous - Diamètres et entraxes des trous

TR-TSE

  • TS 511-1967 Light Metal Rivets for Shipbuilding Nominal Diameters, Rivet Hole Diameters and Clearances

PL-PKN

  • PN M57025-1974 Holes in steel and cas? iron Diamefers of drills and reamers

Spanish Association for Standardization (UNE)

  • UNE 25161:1963 SELECTIVE LIST OF THE HOLE DIAMETERS FOR STEEL RIVET SETTING (2-20 MM DIAMETERS).
  • UNE 25163:1963 SELECTIVE LIST OF THE DIAMETERS OF SCREWS CLEARANCE HOLES (4-24 MM).

RO-ASRO

NATO - North Atlantic Treaty Organization